X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones

Untreated Gemstones Weight
Untreated Gemstones Size
Untreated Gemstones Clarity
Untreated Gemstones Price
Untreated Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Untreated Gemstones
Black Untreated Gemstones
Blue Untreated Gemstones
Brown Untreated Gemstones
Golden Untreated Gemstones
Gray Untreated Gemstones
Green Untreated Gemstones
Multicolor Untreated Gemstones
Orange Untreated Gemstones
Pink Untreated Gemstones
Purple Untreated Gemstones
Red Untreated Gemstones
Turquoise Untreated Gemstones
Violet Untreated Gemstones
White Untreated Gemstones
Yellow Untreated Gemstones
Single
Pairs
Lots
Faceted
Cabochons
Clear All
ID: 377685
Weight: 5.40ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 138.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 675211
Weight: 32.18ct
Size: 33.1 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 479374
Weight: 2.22ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 734684
Weight: 36.81ct
Size: 25 x 17.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 294.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 500695
Weight: 15.80ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 111.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 627970
Weight: 11.19ct
Size: 18.2 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 533019
Weight: 9.51ct
Size: 13 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 724967
Weight: 3.93ct
Size: 9.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 296638
Weight: 3.59ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 21.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 602899
Weight: 1.41ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 605069
Weight: 4.94ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 65.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 653426
Weight: 18.68ct
Size: 23.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 620991
Weight: 1.89ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 47.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 624994
Weight: 2.28ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 712152
Weight: 3.44ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 664108
Weight: 1.13ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Price: $ 9.49
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 626187
Weight: 1.27ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 674613
Weight: 3.08ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 696774
Weight: 3.60ct
Size: 13.9 x 6.4 mm
Clarity: SI
Content: 1 pc
Price: $ 345.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 700979
Weight: 14.04ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 548535
Weight: 0.99ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 297.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 517979
Weight: 1.84ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 422064
Weight: 4.86ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 676449
Weight: 12.63ct
Size: 21.1 x 12.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 136.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 712055
Weight: 65.31ct (total)
Size: 25.4 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 173.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 707966
Weight: 3.20ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 701955
Weight: 5.97ct
Size: 12.3 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 671013
Weight: 20.12ct
Size: 23.9 x 17.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 694517
Weight: 26.56ct
Size: 33.7 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 529672
Weight: 16.02ct
Size: 19.1 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 459825
Weight: 7.47ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 69.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 677910
Weight: avg. 0.03 ct / each
Size: 1.9 mm
Clarity: Opaque
Price: $ 10.08
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 587784
Weight: 12.60ct (total)
Size: 15.1 x 11 mm
Clarity: VS
Content: 2 pcs
Price: $ 49.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 724849
Weight: 40.55ct
Size: 29.4 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 145.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 338866
Weight: 1.72ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 95.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 435340
Weight: 2.28ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 636195
Weight: 1.19ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 682340
Weight: 9.87ct
Size: 21.7 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 475018
Weight: 2.00ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 693884
Weight: 2.72ct
Size: 9.7 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 509919
Weight: 1.28ct
Size: 7 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 50.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 733752
Weight: 3.76ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 481330
Weight: 45.18ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 416176
Weight: 1.16ct
Size: 15.8 x 2.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 449248
Weight: 0.87ct
Size: 14.3 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 431673
Weight: 1.35ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 32.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 693818
Weight: 2.41ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 439470
Weight: 5.81ct
Size: 14.4 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 664249
Weight: 3.42ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 512784
Weight: 1.92ct
Size: 8.4 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 41.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 669877
Weight: 28.65ct
Size: 19.1 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 696497
Weight: 73.43ct
Size: 34.7 x 30.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 475111
Weight: 32.82ct
Size: 33.8 x 22 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 367634
Weight: 5.70ct
Size: 13.7 x 8.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 38.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 714177
Weight: 0.32ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 9.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 407949
Weight: 15.09ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 537123
Weight: 2.49ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 32.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 462009
Weight: 3.99ct (total)
Size: 12.2 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 47.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 574646
Weight: 2.78ct
Size: 9.5 x 7.1 mm
Clarity: SI
Content: 1 pc
Price: $ 61.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 448183
Weight: 9.70ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.41
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
216
Choose Page
1 - 774

FAQs

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate
Enlarged Gemstone Image